mirror of
https://github.com/OPM/opm-simulators.git
synced 2024-12-24 16:30:02 -06:00
712a7c8131
Includes: - SubDomain struct, - simple partitioning utilities for testing, - some matrix and vector manipulation functions, - tests for the above.
113 lines
3.3 KiB
C++
113 lines
3.3 KiB
C++
/*
|
|
Copyright 2023 SINTEF Digital, Mathematics and Cybernetics.
|
|
|
|
This file is part of the Open Porous Media project (OPM).
|
|
|
|
OPM is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
OPM is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with OPM. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#define BOOST_TEST_MODULE OPM_test_extractMatrix
|
|
#include <boost/test/unit_test.hpp>
|
|
|
|
#include <opm/simulators/linalg/extractMatrix.hpp>
|
|
#include <dune/common/fmatrix.hh>
|
|
#include <dune/istl/bcrsmatrix.hh>
|
|
#include <dune/istl/bvector.hh>
|
|
|
|
using B = Dune::FieldMatrix<double, 2, 2>;
|
|
using M = Dune::BCRSMatrix<B>;
|
|
using V = Dune::BlockVector<Dune::FieldVector<double, 2>>;
|
|
|
|
M build3x3BlockMatrix()
|
|
{
|
|
// Build matrix with this pattern:
|
|
// ( x )
|
|
// ( x )
|
|
// ( x x )
|
|
M res(3, 3, 4, M::row_wise);
|
|
for (auto row = res.createbegin(); row != res.createend(); ++row) {
|
|
row.insert(row.index());
|
|
if (row.index() == 2) {
|
|
row.insert(1);
|
|
}
|
|
}
|
|
// Set all entries to the block (1, 2; 3, x), where x starts at 4
|
|
// but gets incremented for each entry.
|
|
B b;
|
|
b[0][0] = 1.0;
|
|
b[0][1] = 2.0;
|
|
b[1][0] = 3.0;
|
|
b[1][1] = 4.0;
|
|
res[0][0] = b;
|
|
b[1][1] = b[1][1] + 1.0;
|
|
res[1][1] = b;
|
|
b[1][1] = b[1][1] + 1.0;
|
|
res[2][2] = b;
|
|
b[1][1] = b[1][1] + 1.0;
|
|
res[2][1] = b;
|
|
|
|
return res;
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(extractMatrix)
|
|
{
|
|
auto m1 = build3x3BlockMatrix();
|
|
BOOST_CHECK_EQUAL(m1[2][1][1][1], 7.0);
|
|
std::vector<int> indices = {1, 2};
|
|
auto m2 = Opm::Details::extractMatrix(m1, indices);
|
|
BOOST_CHECK_EQUAL(m2[0][0], m1[1][1]);
|
|
BOOST_CHECK_EQUAL(m2[1][1], m1[2][2]);
|
|
BOOST_CHECK_EQUAL(m2[1][0], m1[2][1]);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(copySubMatrixAndMatrixEqual)
|
|
{
|
|
auto m1 = build3x3BlockMatrix();
|
|
std::vector<int> indices = {1, 2};
|
|
auto m2 = Opm::Details::extractMatrix(m1, indices);
|
|
m1[2][1][0][0] = 0.1234;
|
|
auto m3 = Opm::Details::extractMatrix(m1, indices);
|
|
BOOST_CHECK(m2[1][0] != m1[2][1]);
|
|
BOOST_CHECK(m3[1][0] == m1[2][1]);
|
|
BOOST_CHECK(!Opm::Details::matrixEqual(m2, m3));
|
|
Opm::Details::copySubMatrix(m1, indices, m2);
|
|
BOOST_CHECK(Opm::Details::matrixEqual(m2, m3));
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(vectorOps)
|
|
{
|
|
V v1(4);
|
|
v1[0] = { 0.1, 0.2 };
|
|
v1[1] = { 0.3, 0.4 };
|
|
v1[2] = { 0.5, 0.6 };
|
|
v1[3] = { 0.6, 0.8 };
|
|
std::vector<int> indices = { 0, 2, 3 };
|
|
|
|
V vref(3);
|
|
vref[0] = { 0.1, 0.2 };
|
|
vref[1] = { 0.5, 0.6 };
|
|
vref[2] = { 0.6, 0.8 };
|
|
|
|
auto v2 = Opm::Details::extractVector(v1, indices);
|
|
BOOST_CHECK_EQUAL_COLLECTIONS(vref.begin(), vref.end(), v2.begin(), v2.end());
|
|
|
|
V v3 = v1;
|
|
v3[2] = { 1.1, 1.2 };
|
|
v2[1] = { 1.1, 1.2 };
|
|
Opm::Details::setGlobal(v2, indices, v1);
|
|
BOOST_CHECK_EQUAL_COLLECTIONS(v1.begin(), v1.end(), v3.begin(), v3.end());
|
|
}
|